Home / 14,530,522.60-20,049,063.78-8,418,586.60

Finding the Fourth Proportional to 14,530,522.60, 20,049,063.78 and 8,418,586.60

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Solution

The fourth proportional to 14,530,522.60, 20,049,063.78 and 8,418,586.60 is: 11,615,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530,522.60 : 20,049,063.78 = 8,418,586.60 : x
  2. Step 2: Convert to fraction form
    14,530,522.60/20,049,063.78 = 8,418,586.60/x
  3. Step 3: Cross multiply
    14,530,522.60x = 20,049,063.78 × 8,418,586.60
  4. Step 4: Simplify right side
    14,530,522.60x = 168,784,779,680,853.34
  5. Step 5: Solve for x
    x = 168,784,779,680,853.34/14,530,522.60
  6. Step 6: Final answer
    x = 11,615,878.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.